The phrase "avoid dipping into" is correct and usable in written English.
It can be used when advising someone to refrain from using or accessing something, often in a financial or resource context.
Example: "To maintain a healthy budget, it's important to avoid dipping into your savings for unnecessary expenses."
Alternatives: "refrain from using" or "steer clear of accessing".
The opera recently sought a line of credit to cover its expenses, to avoid dipping into its endowment.
This is especially true of younger people who are tying up the money for longer, but if they save outside a pension, they need to avoid dipping into their savings except in a real emergency".
The other was an excerpt from my own book "Fuzzy Math," refuting the administration's claims that it could cut taxes, increase military spending, provide prescription drug coverage and still avoid dipping into the Social Security surplus.
That way way you'll avoid dipping into your 401(k) plan for loans or withdrawals.
Considering the aforementioned strength of the pensioner vote, it is likely that policies will be explored that avoid cutting pensions and avoid dipping into healthcare funds.
It was as if Serena just couldn't seem to avoid dipping into waters of controversy even as she'd ascended to the top of her sport.
The White House version is likely to show that the government used up most of the $30 billion Medicare surplus this year but barely avoided dipping into the Social Security surplus, in part because of a last-minute accounting change disclosed by the administration last week.
Experts have designed Juno's orbit such that it avoids dipping into the most hazardous regions that surround the planet.
Scott Walker, 4 per cent The Wisconsin Governor needs to have a strong showing tonight to avoid dipping further into the polls.
If your coins tarnish, avoid dipping the silver into a cleaning solution for a long period of time.
Avoid dipping your brush directly into the shellac can, as this can contaminate the product with wood dust and other particles.
